package cc.liyinghao.springsecuritydemo.security.component;


import cc.liyinghao.springsecuritydemo.common.Result;
import cn.hutool.json.JSONUtil;

import org.springframework.context.annotation.Configuration;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 自定义未登录或者token失效时的返回结果
 */

public class RestAuthenticationEntryPoint implements AuthenticationEntryPoint {

    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException {
        response.setHeader("Access-Control-Allow-Origin", "*");
        response.setHeader("Cache-Control","no-cache");
        response.setStatus(HttpServletResponse.SC_FORBIDDEN);
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json");
        response.getWriter().println(JSONUtil.parse(Result.error("未登录或登录过期")));
        response.getWriter().flush();
    }
}
